| A | B |
| biosphere | all living things |
| biodiversity | having lots of different types of animals |
| equator | this is where the earth has the most biodiversity because it is warm |
| organism | an individual living thing |
| cell | the basic unit of life |
| system | when related parts interact to form a whole |
| homeostasis | The maintenance of constant internal conditions in an organism |
| adaptation | a beneficial inherited trait that is passed on to future generations |